# Last edited on 2023-03-02 19:24:55 by stolfi RAWFILES := \ sony-recorder-gsouza-raw.au \ sony-recorder-islene-raw.au \ sony-recorder-rdahab-raw.au \ sony-recorder-sessao-raw.au \ sony-recorder-stolfi-raw.au NOISEFILES := \ sony-recorder-noise1-raw.au \ sony-recorder-noise2-raw.au \ sony-recorder-noise3-raw.au \ sony-recorder-noise4-raw.au AUFILES := ${RAWFILES} ${NOISEFILES} PNGFILES := ${subst .au,.png,${AUFILES}} all: ${AUFILES} ${PNGFILES} sony-recorder-noise1-raw.au: sony-recorder-islene-raw.au extract_au_clip 420 520 2427 \ < sony-recorder-islene-raw.au \ > sony-recorder-noise1-raw.au sony-recorder-noise2-raw.au: sony-recorder-islene-raw.au extract_au_clip 940 1040 2427 \ < sony-recorder-islene-raw.au \ > sony-recorder-noise2-raw.au sony-recorder-noise3-raw.au: sony-recorder-islene-raw.au extract_au_clip 1274 1327 2427 \ < sony-recorder-islene-raw.au \ > sony-recorder-noise3-raw.au sony-recorder-noise4-raw.au: sony-recorder-islene-raw.au extract_au_clip 1645 1665 2427 \ < sony-recorder-islene-raw.au \ > sony-recorder-noise4-raw.au %.png: %.au Makefile cat $*.au \ | spegram \ -input au \ -window hann 1024 -stride 256 \ -output pgm -range 1.0e-3 1.0e+1 \ | pnmflip -ccw \ | pnminvert \ | pnmnorm -bpercent 0 -wpercent 0 \ | pnmtopng \ > $*.png display $*.png clean: rm -fv ${PNGFILES} ${NOISEFILES}